<?php
/*
Plugin Name: Custom Header Links
Description: Remove second line of header links for non-admin users
Version: 1.00
Requires at least: 2.03
*/

addFilter('header_links', '_custom_header_links', null, 1);

function _custom_header_links($header_links) {
  global $CURRENT_USER;
  
  // if not admin, remove everything after <br/>
  if (!$CURRENT_USER['isAdmin']) {
    $header_links = preg_replace('|<br/>.*|s', '', $header_links);
  }
  
  return $header_links;
}

?>
